diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index c3266927d1d..5e1f865589d 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -8313,7 +8313,7 @@ inline void gcode_M18_M84() {
     stepper_inactive_time = parser.value_millis_from_seconds();
   }
   else {
-    bool all_axis = !((parser.seen('X')) || (parser.seen('Y')) || (parser.seen('Z')) || (parser.seen('E')));
+    bool all_axis = !(parser.seen('X') || parser.seen('Y') || parser.seen('Z') || parser.seen('E'));
     if (all_axis) {
       stepper.finish_and_disable();
     }